1. join battle 参战；交战
The US 7th Fleet with one or two carrier battle groups would join battle.
美国第七舰队的一两个航母战斗群也将加入战斗^rKTehwy9-~kbrS。

2. blow hot and cold on sth. 摇摆不定
Makes any matter always own not to be able to settle on the idea, always blow hot and cold, I have lost very many opportunities.
做什么事总是自己拿不定主意，总是摇摆不定，以至于我失去了很多机会T=%t|w!R.H57)eNVFe。

3. fail to do sth. 未能
Sarkozy even pledged to walk out of the summit if it failed to produce serious regulatory commitments.
萨科奇甚至发誓，如果没有达成重要的规制承诺就退出峰会Uw~0EV)Z&hxM[t。

4. win out 胜出
In this respect, the question of which will win out, socialism or capitalism, is not really settled yet.
从这方面来看，社会主义和资本主义之间谁胜谁负的问题还没有真正解决kq#2;#J3)yhD0W。